Celeron J3455E vs Core 2 Quad Q9450

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Celeron J3455E vs Core 2 Quad Q9450 FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Celeron J3455E vs Core 2 Quad Q9450: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Celeron J3455E

2019

Why buy it

✅Draws 10W instead of 95W, a 85W reduction.
✅100+% more PCIe lanes (6 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with HD Graphics 500, while Core 2 Quad Q9450 needs a discrete GPU.

Trade-offs

❌Lower PassMark (2,193 vs 2,208).

Core 2 Quad Q9450

2008

Why buy it

Trade-offs

❌Launch MSRP is still $316 MSRP, while Celeron J3455E mostly shows up through inconsistent older-market listings.
❌850% higher power demand at 95W vs 10W.
❌No integrated graphics, while Celeron J3455E can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core 2 Quad Q9450 better than Celeron J3455E?

Yes. Core 2 Quad Q9450 is the better all-around CPU here. It gives you a 0.3% average FPS lead across 35 shared CPU game tests in our data and 0.7% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core 2 Quad Q9450 is the better pick. According to our tests, it delivers 0.3% more average FPS across 35 shared CPU game tests.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Core 2 Quad Q9450 is the stronger fit. You are getting 0.7% better PassMark, backed by 4 cores and 4 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Core 2 Quad Q9450 is the better buy right now. Core 2 Quad Q9450 comes in at an unclear MSRP at $316 MSRP versus unclear MSRP, and it still gives you a 0.3% average FPS lead across 35 shared CPU game tests in our data. It is also 100.0% better value on MSRP (7.0 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

Which one is more future-proof for 2026 and beyond?

Celeron J3455E makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2008). That makes it the safer long-term bet.

Celeron J3455E vs Core 2 Quad Q9450 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Celeron J3455E

The Celeron J3455E is manufactured by Intel. It was released in 2007-01-01. It features 4 cores and 4 threads. Base frequency is 1.5 GHz, with boost up to 2.3 GHz. L3 cache: 2 MB. Built on 14 nm process technology. Thermal design power (TDP): 10 Watt. Memory support: DDR3L/LPDDR3 up to 1866 MT/s; LPDDR4 up to 2400 MT/s. Passmark benchmark score: 2,193 points. Launch price was $69.

Core 2 Quad Q9450

The Core 2 Quad Q9450 is manufactured by Intel. It was released in 2008-01-01. It is based on the Yorkfield (2007−2009) architecture. It features 4 cores and 4 threads. Base frequency is 2.66 GHz, with boost up to 2.67 GHz. L3 cache: 0 kB. L2 cache: 12 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 95 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 2,208 points. Launch price was $249.

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Processing Power

Both the Celeron J3455E and Core 2 Quad Q9450 share an identical 4-core/4-thread configuration. Boost clocks reach 2.3 GHz on the Celeron J3455E versus 2.67 GHz on the Core 2 Quad Q9450 — a 14.9% clock advantage for the Core 2 Quad Q9450 (base: 1.5 GHz vs 2.66 GHz). The Core 2 Quad Q9450 is built on the Yorkfield (2007−2009) architecture. In PassMark, the Celeron J3455E scores 2,193 against the Core 2 Quad Q9450's 2,208 — a 0.7% lead for the Core 2 Quad Q9450. L3 cache: 2 MB on the Celeron J3455E vs 0 kB on the Core 2 Quad Q9450.

Feature	Celeron J3455E	Core 2 Quad Q9450
Cores / Threads	4 / 4	4 / 4
Boost Clock	2.3 GHz	2.67 GHz+16%
Base Clock	1.5 GHz	2.66 GHz+77%
L3 Cache	2 MB	0 kB
L2 Cache	—	12 MB (total)
Process	14 nm-69%	45 nm
Architecture	—	Yorkfield (2007−2009)
PassMark	2,193	2,208
Geekbench 6 Single	450	—
Geekbench 6 Multi	850	—

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Advanced Features

Virtualization: VT-x (Celeron J3455E) / not specified (Core 2 Quad Q9450). The Celeron J3455E includes integrated graphics (HD Graphics 500), while the Core 2 Quad Q9450 requires a dedicated GPU. Primary use case: Celeron J3455E targets Low Power. Direct competitor: Celeron J3455E rivals Pentium J4205.